From dd77a6fade313baec6f08d0756498e47a0fb2a88 Mon Sep 17 00:00:00 2001
From: in2 <in2@63ad8ddf-47c3-0310-b6dd-a9e9d9715204>
Date: Sun, 18 Apr 2004 08:45:22 +0000
Subject: fix bug SIGSEV when only 1 user online

git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@1781 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
---
 mbbsd/cache.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mbbsd/cache.c b/mbbsd/cache.c
index 14d5d0d2..2517ee1e 100644
--- a/mbbsd/cache.c
+++ b/mbbsd/cache.c
@@ -417,7 +417,8 @@ count_logins(int uid, int show)
 	j = uid - ulist[i]->uid;
 	if (!j) {
 	    for (; i > 0 && uid == ulist[i - 1]->uid; i--);	/* 指到第一筆 */
-	    for (count = 0; uid == ulist[i + count]->uid; count++) {
+	    for (count = 0; (ulist[i + count] &&
+			     uid == ulist[i + count]->uid); count++) {
 		if (show)
 		    prints("(%d) 目前狀態為: %-17.16s(來自 %s)\n",
 			   count + 1, modestring(ulist[i + count], 0),
-- 
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